lean2/tests/lean/tactic8.lean
Leonardo de Moura 9f08156a73 feat(frontends/lean/parser): combine Echo and Show commands into the 'print' command
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-01-05 11:03:35 -08:00

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(* import("tactic.lua") *)
Theorem T (a b : Bool) : a \/ b => (not b) => a := _.
apply Discharge
apply Discharge
disj_hyp
exact
absurd
done
print Environment 1.